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<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
</head>
<body>

  <div id="app">
    <h3>小黑的书架</h3>
    <ul>
      <li v-for="item in booksList" :key="item.id">
        <span>{{item.name}}</span>
        <span>{{item.author}}</span>
        <button @click="del(item.id)">删除</button>
      </li>
    </ul>
  </div>
  <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
  <script>
    const app = new Vue({
      el: '#app',
      data: {
        booksList: [
          { id: 1, name: '《红楼梦》', author: '曹雪芹' },
          { id: 2, name: '《西游记》', author: '吴承恩' },
          { id: 3, name: '《水浒传》', author: '施耐庵' },
          { id: 4, name: '《三国演义》', author: '罗贯中' },
          { id: 5, name: '《红楼梦》', author: '曹雪芹' },
          { id: 6, name: '《西游记》', author: '吴承恩' },
          { id: 7, name: '《水浒传》', author: '施耐庵' },
          { id: 8, name: '《三国演义》', author: '罗贯中' },
          { id: 9, name: '《红楼梦》', author: '曹雪芹' },
          { id: 10, name: '《西游记》', author: '吴承恩' },
          { id: 11, name: '《水浒传》', author: '施耐庵' },
          { id: 12, name: '《三国演义》', author: '罗贯中' }
        ]
      },
      methods :{
        del(id) {
          this.booksList = this.booksList.filter(item => item.id !== id)
        }
      }
    })
  </script>
</body>
</html>